Patents for H04R 1 - Details of transducers (42,173)
02/1996
02/15/1996WO1996004764A1 Apparatus including a loudspeaker unit, loudspeaker unit, and housing for a loudspeaker unit
02/14/1996EP0696435A2 Utrasonic probe
02/14/1996CN1116800A 显示设备 Display device
02/13/1996US5491756 System for delivering sound to and monitoring effects on a fetus
02/13/1996US5491747 Noise-cancelling telephone handset
02/13/1996US5490599 Long multi-position microphone support stand
02/13/1996CA2069815C Protective helmet containing an integral transceiver
02/08/1996WO1996003847A1 An audio interface garment and communication system for use therewith
02/08/1996DE4439461C1 Built-in loudspeaker housing for in-car stereo system
02/07/1996EP0696155A1 Method and acoustic system for sonification of enclosed and open spaces
02/07/1996CN2219572Y Hydrophone
02/07/1996CN2219571Y Active mechanoelectric-servo-speaker
02/06/1996US5490219 Noise canceling microphone with visual feedback
02/06/1996US5488956 Ultrasonic transducer array with a reduced number of transducer elements
02/01/1996WO1996003011A1 Movable boom mounting device
01/1996
01/31/1996CN1116036A Gradient directional microphone system and method thereof
01/31/1996CN1116035A Loudspeaker system
01/30/1996US5488657 Apparatus for and method of operating an automatic log on/log off circuit in a telephone system by disconnecting a headset
01/25/1996WO1996002119A1 Tri-laterally supported post-auricle communications headset
01/25/1996DE4426995A1 Permanent dynamic loudspeaker with cylindrical radiation pattern
01/24/1996CN1115556A Production of vibrating objects used in electric acoustic exchanger
01/17/1996EP0692923A1 Selective sound pick-up device for reflecting and noisy environment
01/17/1996EP0692922A2 Cabinet for bass-loudspeaker
01/17/1996EP0692921A1 Sound pick-up device by an electret microphone
01/17/1996EP0692169A1 Unidirectional ear microphone with multiple openings
01/17/1996EP0692105A1 Method of simultaneous recording of pictures and sound and a camera for carrying out the method
01/17/1996CN2217861Y Phase-reversal loudspeaking device
01/17/1996CN1115167A Earphone
01/16/1996US5485521 Audio mirror speaker
01/11/1996WO1996001031A1 Method and device for feeling acoustic vibration
01/11/1996WO1996000522A1 Ultrasonic transducer probe with axisymmetric lens
01/11/1996DE4422767A1 Headphone strap for set of ear muffs and/or earphones
01/11/1996CA2170382A1 Method and device for feeling acoustic vibration
01/10/1996EP0682853A4 Loudspeaker system.
01/10/1996CN1114817A Apparatus for cross fading sound imaging positions during playback over headphones
01/09/1996US5483367 Transmitting and receiving apparatus for a radio headphone
01/09/1996US5482232 Apparatus and method for wall-mounted hardware system
01/04/1996WO1996000488A1 Use of a fluid flow measuring device as a microphone and system comprising such a microphone
01/04/1996DE4443451C1 Microphone holder e.g. for entertainers
01/04/1996CA2193956A1 Use of a fluid flow measuring device as a microphone and system comprising such a microphone
01/03/1996EP0690657A2 A directional microphone system
01/03/1996EP0690656A2 Long-time balancing of omni microphones
01/03/1996EP0690655A2 Direction finder
01/03/1996EP0690654A2 Ergonomic ear-mounted headset
01/03/1996CN1114479A Single diaphragm second order differential microphone assembly
01/02/1996US5479930 Ultrasonic transesophageal probe with articulation control for the imaging and diagnosis of multiple scan planes
12/1995
12/31/1995CA2151002A1 Ergonomic ear mounted headset
12/31/1995CA2149680A1 Direction finder
12/27/1995EP0689372A1 Loudspeaker with integrated capacitor
12/27/1995EP0688199A1 Cover for a sealing ring of an earmuff
12/26/1995US5479521 Piezoceramic capsule for telephone instruments
12/26/1995US5479520 Loudspeaker system
12/26/1995US5479377 Transducer device
12/26/1995US5477736 Ultrasonic transducer with lens having electrorheological fluid therein for dynamically focusing and steering ultrasound energy
12/21/1995WO1995035011A1 Integral radio and infrared assistive listening device
12/20/1995EP0688143A2 Supra aural active noise reduction headphones
12/20/1995EP0688142A2 Acoustic resistance, especially for electroacoustical transducer
12/20/1995EP0687403A1 Fluid damped acoustic enclosure system
12/20/1995CN2215788Y Disposable sanitary cover for microphone
12/20/1995CN1113644A Frequency Q-value balancing method for electric audio system
12/20/1995CN1113627A Noise-canceling differential microphone assembly
12/19/1995US5477270 Distance-adaptive microphone for video camera
12/14/1995WO1995034184A1 A personal hands free communications device
12/14/1995WO1995034183A1 Method of creating an acoustic field and associated acoustic system
12/14/1995DE4423945A1 Headphone with slotted fork on earpiece for end of headband
12/14/1995DE4423495C1 Mounting for multiple acceleration transducers
12/14/1995DE4419822A1 Loudspeaker housing using plastics material for simple mfg. process
12/13/1995EP0687127A1 Protection device for telephone handsets
12/13/1995EP0686985A1 Coil assemblies
12/13/1995CN2215166Y Desk stereo speaker capable of mounting to bicycle
12/12/1995US5475764 Bandpass woofer and method
12/12/1995US5474074 Low profile transducer for intravascular ultrasound imaging and method for mounting
12/07/1995WO1995033356A1 Loudspeaker, in particular in the form of a column
12/07/1995WO1995033355A1 Sound feeling device, playing device, method of controlling the playing device, playing device using light beam, and acoustic device
12/07/1995WO1995033258A1 Process and device for generating spherical waves in the ultrasound range
12/07/1995CA2191695A1 Process and device for generating spherical waves in the ultrasound range
12/06/1995EP0685986A2 Near-field reproduction of binaurally encoded signals
12/06/1995CN2214723Y Integrally-combined speaker made of artificial agate
12/06/1995CN1113066A Loud-speak system
12/05/1995US5473701 Adaptive microphone array
12/05/1995US5473700 High gain acoustic transducer
12/05/1995US5473684 Noise-canceling differential microphone assembly
11/1995
11/30/1995WO1995032602A1 Sound generating device
11/30/1995WO1995032600A1 Noise shielding ear-piece
11/30/1995CA2167318A1 Sound generating device
11/29/1995EP0684748A2 Microphone/loudspeakers and systems using multiple microphone/loudspeakers
11/28/1995US5471538 Microphone apparatus
11/28/1995US5471019 Multiple chamber loudspeaker system
11/28/1995US5471018 Audio or video apparatus with a built-in loudspeaker
11/26/1995CA2124231A1 Noise shielding ear-piece
11/23/1995WO1995031805A1 Multimedia personal computer with active noise reduction and piezo speakers
11/22/1995EP0683621A2 Transmitter-receiver having ear-piece type acoustic transducing part
11/22/1995EP0682853A1 Loudspeaker system
11/22/1995EP0682836A1 Sound localization system for teleconferencing using self-steering microphone arrays
11/22/1995CN1112348A Balance sound box
11/22/1995CN1112329A Microphone of video camera
11/21/1995US5469511 Method and apparatus for presentation of on-line directional sound
11/21/1995US5469505 Communications headset having a ball joint-mounted receiver assembly
11/21/1995US5468922 Supported vehicle electroacoustical transducing
11/16/1995WO1995031083A1 Airborne sensor for listening to acoustic signals